Stephen r



S. R. PARKHURST.

COTTON GIN.

No. 98,705.l Patented Jan. 11, 1.870.

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STEPHEN R. PARKHURST, OF MONT CLAIR, NEW JERSEY, AASSIGrNOR T0 EMILY R. PARIIHURST AND WARREN IL HOL'ILOE SAME. PLAGE.

Letters Patent No. 98,705, dated January 11, 18'I0,

The Schedule referred to in these Letten Patent and making part of the` same.

To all whom it ma/y concern..-

Be' it known that I, STEPHEN R. PAnKHURsT, of Mont Olair, lin the county of Essex, and Statecf New Jersey, have invented and made a new and useful Improvement in Cotton-Ginn .andI do hereby declare the following to be a full, clear, and exact description of the said invention, reference being had to the annexed drawing, making part ,ofV this specification,

-vide a hopper, in which the roll of cotton revolves, and

from the surface of which the seeds fall, when Vsufciently clean. It is difficult tofeeda gin in such a manner as to prevent the roll breaking up and ceasing to revolve with uniformity, and when this happens, the machine is liable to injury, or4 else the seeds do not vfree themselves, but are broken up and passthrough with the cotton.

My invention is devised with the object in view of making the ginning-operation continuous, and preventing the seeds intervening between 'the surface of the cotton and the giiining-cylinder,fthus greatly facilitating the ginning-operation, andlessening the risk of the seeds being bi'oken or cut, and of the pieces passing away with the cotton.

I make use of a'feeding-belt that supplies the cotton to the 'ginning-cylinder, and rims `under the said cylinder, so that the seeds fall thereon, and are sustained to be taken np again, if there is cotton adhering thereto, and if not, the seeds are conveyed away by the belt.`

In the drawingcharacter.

b is the feeding-apron, formed of lendless belts cai'- rying slats, with grooves in. the surfaces of the slats,

- suciently deep for the cottowseeds to be received.

This belt of.slats passes around the end rollers c o,

to one of which a belt orother device for moving the saine is applied, and I prefer, a1so," to use supportingrollers d d.

The ginning-cylinders e and f are sustained in silit able bearings upon the frames a, and so also are the vstripping-rollers g h, land blower k.

The-parts are arranged, so that the cylinder c is not as close to the belt b4 as the cylinder f, in order that the cotton may be principally g'innedjby the' cylinder e, and the portions tbatimay not be entirely ginned are taken by the cylinder jl By this arrangemendtbe ginning-operatiou is fa, cilitated, the labor being divided between two cylina represents the frame of the machine, of any usual` ders,'and the cylinder fithorougbly -frees the seeds from any cotton, and tliefseeds pass on and fall from the belt or apron b, as it passes around back roller c.

'I prefer to have longitudinal grooves in the slats forming the belt or apron b, so that the cotton-seeds may fall into them when cleaned; and in oi'der to allow any pods or other large foreign substances to pass out from between the belt and cylinders e f, I prefer to fit the back roller c, so as to be raised and lowered by levers, or otherwise. I thus provide for adjusting the space between the cylinders and the belt, to prevent the cotton escaping with the seeds,

`and also to allow obstructions to pass out when the belt and back roller are lowered.

Ihe strippers g h revolve in the direction indicated, s0 that they act to roll back the lumps of cotton and seeds, as now usual.

,The cylinders e f are cleaned from cotton by the brush-blower k that throws. the cotton away through the trunk an, and over the screen n, which allows dust or small particles to fall away.

I prefer that the brush-blowersballbe made of ue wires, introduced with Itbe bristles, to prevent the cotton being curled or rolled up as it is taken otl the cylinders e f by the brushes ofthe blower.

Upon tbe shafts of the strippers g h, at one end, the

'pinions 'i 't are iitted, and these come within the intei-nal or female gear fr that is upon the shaft lof the grinning-cylinder e, so that both strippers, gh, will be driven by one internal gear-wheel. This insuresthe rotation of both strippers so long as the ginning-cylinder is revolved.'

-I prefer that the motive-power he belted to the shaft l, and that the exterior ofthe internal gear r be. employed as a. pulley-for the. belts that drives the blower It, and the cylinder f may be driven by a sepaiate belt.

This construction and arrangement of strippers, cylinders, and blower, insure a very perfect ginningoperation, and enables me to make use of ginning-cylinders of different sizes,.so that the tooth-steel rings formingthe cylinders can be cnt out from sheet-steel conccntrically, and thereby save stock and lessen the cost.

One stripper and cylinder mightbe used with the belt passing below both, but I prefer to use two cylinders and two strippers,'as shown.

The stiipper of a cotton-gin has been driven -by an internal gear, as shown inLetters' Patent granted'to ine, April 27, 1858.

What I claim, 'and desire tosecurelbyLetters Patent is c Arranging the Ieeding-apron .of 1a cotton-gin, in such relation to the ginningcylinder and stripper, that the seeds will be thrown down upon said apron, andcarried beneath the under side of the cylinder. so that nnyhres maybe taken kom seid seeds before their shown in relation to the strippers g and h, in combidelivery from the apron, substantially as set forth. nation withr the pinions t' i, and internal geen' r, so that 2. The endless feeding-belt o`r apron b, arranged as one internal gear shall drive both strippers, as set shown beneath the ginning-oylinders, and passing forth. around rollers c c, in combination with two toothed In witness whereof, I have hereunto set my' sigoylinders, two strippers, end a. brush-blower', substannature, this 8th day of July, 1869. tially as' and for the purposes set fort-l1. v S. R. PARKHURST.

3. Thefeeding-apron, formed with slats that are l grooved longitudinally for the cotton-seeds to fall into, Witnesses: as set forth. CHAs. H. SMITH,

4. Arranging the cylinders e and f, in the manner. GEO. T. PINOKNEY. 

